ST172 TEMPERATURE AND HUMIDITY DATALOGGER W/ LCD DISPLAY STANDARD ST-172Online Stock Only. For "click and collect" orders at Lynbrook store the shipping fee will still apply on collection for items not stocked at the Lynbrook store. ST172 is used to monitor temperature and humidity values efficiently and conveniently for long periods of time by using the datalogger functionality. The dataloggers are saved in the logger and simply read out by your PC with USB interface. The LCD shows current readings, MAX, MIN and signof